1970 - nº 1

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Estudio de laboratorio de la susceptibilidad a la corrosión intergranular del cinc y su relación con el contenido de aluminio
(Laboratorio de Entrenamiento Multidisciplinario para la Investigación Tecnológica (LEMIT), 1970) Manuele, R. J.; Rozados, Epifanio; Clinkspoor, G.C.
A method of test for determining the susceptibility of zinc to the intergranular corrosion was developped, considering that the action of water steam on zinc produces the mentioned type of corrosion. Local and foreing specimens have been studied. In the suscep- tibies specimens, the sign of intergranular corrosion, characterized by visual and micrographic observations, appears after 30 h exposition. Correlation between susceptibility and aluminium content was established: 0,005 $ of aluminium in laminated zinc was the maximum content in order to avoid corrosion.